Question

Find x : ( 2 /9 ) ^ −6 ( 2 /9 ) ^3x = ( 2 /9 ) ^9

Answer 1

Step-by-step explanation:

(2/9)^-6 (2/9)^3x = (2/9)^9

Since 2/9 is common in all do we will compare the powers

Therefore

-6 + 3x = 9

3x =9+6

3x. =15

x. = 15/3

x. =5

Therefore x = 5